Cream is one of the earliest "power trios", with Eric Claton, Jack Bruce (also of Manfred Mann, the Bluesbreakers and the Graham Bond Organisation) and Ginger Baker (another member of the GBO)
A full-scale reunion of Cream with Clapton, Bruce and Baker playing 4 sold-out concerts at London's RoyalAlbertHall (the scene of their 1968 farewell shows)